From a45f4c295588fe73fc917f93eb27bbc0b455cde4 Mon Sep 17 00:00:00 2001
From: Jacob Nevins <jacobn@chiark.greenend.org.uk>
Date: Sat, 8 Nov 2014 22:22:34 +0000
Subject: [PATCH] Fix a double-free in the Gtk event log.

It could occur some time after a line was selected in the event log
window.
---
 unix/gtkdlg.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/unix/gtkdlg.c b/unix/gtkdlg.c
index 3776df8c..8e1364bd 100644
--- a/unix/gtkdlg.c
+++ b/unix/gtkdlg.c
@@ -3550,6 +3550,7 @@ static void eventlog_destroy(GtkWidget *widget, gpointer data)
 
     es->window = NULL;
     sfree(es->seldata);
+    es->seldata = NULL;
     dlg_cleanup(&es->dp);
     ctrl_free_box(es->eventbox);
 }